/**
*
* comperience tracking
*
* @version 1.0
* @copyright allevia GmbH 2005
* @author Thomas Tiedtke
*
*/

function getBrowserType() {
   var browserVer=parseInt(navigator.appVersion);
   var browserType=navigator.appName;
   var browser = "NN";

   if (browserType == "Netscape") browser = "NN";
   if ((browserType.indexOf("Microsoft") != -1) ) browser = "IE";

   return browser;
}
function ctUser() {
   var expTime = new Date();
   var duration = expTime.getTime() + (100000 * 24 * 60 * 60 * 1000);
   expTime.setTime(duration);

   if( ctGetCookie("ctU") ) {
      ctUserEId = ctGetCookie("ctU");
      //document.write('user='+ctUserId+" [ex]<br>");
   } else {
      ctUserEId = hex_md5( ( new Date() ).getUTCMilliseconds() + navigator.userAgent );
      ctSetCookie("ctU", ctUserEId, expTime);
      //document.write('new user='+ctUserId+" [nex]<br>");
   }
}
function ctSession() {
   var expTime2 = new Date();
   var sessionDuration = expTime2.getTime() + (1 * 1 * 30 * 60 * 1000);
   expTime2.setTime(sessionDuration);

   if( ctGetCookie("ctS") ) {
      ctSessionId = ctGetCookie("ctS");
      //document.write('session='+ctSessionId+" [ex]<br>");
   } else {
      ctSessionId = hex_md5( ( new Date() ).getUTCMilliseconds() + location.href + navigator.userAgent );
      ctSetCookie("ctS", ctSessionId, expTime2);
      //document.write('new session='+ctSessionId+" [nex]<br>");
   }
}
function ctGetCookieValue(position) {
   var ende = document.cookie.indexOf(";", position);
   if (ende == -1)
   ende = document.cookie.length;
   return unescape(document.cookie.substring(position, ende));
}
function ctGetCookie(name) {
   name += "=";
   var laenge = name.length;
   var cookie_laenge = document.cookie.length;
   var i = 0;
   while (i < cookie_laenge) {
      var j = i + laenge;
      if (document.cookie.substring(i, j) == name)
      return ctGetCookieValue(j);
      i = document.cookie.indexOf(" ", i) + 1;
      if (i == 0)
      break;
   }
   return null;
}
function ctSetCookie(name, wert) {
   var arg_wert = ctSetCookie.arguments;
   var arg_laenge = ctSetCookie.arguments.length;
   var expires = (arg_laenge > 2) ? arg_wert[2] : null;
   var path = (arg_laenge > 3) ? arg_wert[3] : null;
   var domain = (arg_laenge > 4) ? arg_wert[4] : null;
   var secure = (arg_laenge > 5) ? arg_wert[5] : false;
   document.cookie = name + "=" + escape (wert) +
   ((expires == null) ? "" : ("; expires=" +
   expires.toGMTString())) +
   ((path == null) ? "" : ("; path=" + path)) +
   ((domain == null) ? "" : ("; domain=" + domain)) +
   ((secure == true) ? "; secure" : "");
}
function ctDeleteCookie(name) {
   var exp = new Date();
   exp.setTime (exp.getTime() - 1);
   var cookie_wert = ctGetCookie(name);
   if (cookie_wert != null)
   document.cookie = name + "=" + cookie_wert +
   "; expires=" + exp.toGMTString();
}
/*
* A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
* Digest Algorithm, as defined in RFC 1321.
* Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.
* Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
* Distributed under the BSD License
* See http://pajhome.org.uk/crypt/md5 for more info.
*/
var hexcase = 0;  /* hex output format. 0 - lowercase; 1 - uppercase        */
var b64pad  = ""; /* base-64 pad character. "=" for strict RFC compliance   */
var chrsz   = 8;  /* bits per input character. 8 - ASCII; 16 - Unicode      */
function hex_md5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}

function core_md5(x, len)
{
   /* append padding */
   x[len >> 5] |= 0x80 << ((len) % 32);
   x[(((len + 64) >>> 9) << 4) + 14] = len;

   var a =  1732584193;
   var b = -271733879;
   var c = -1732584194;
   var d =  271733878;

   for(var i = 0; i < x.length; i += 16)
   {
      var olda = a;
      var oldb = b;
      var oldc = c;
      var oldd = d;

      a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
      d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
      c = md5_ff(c, d, a, b, x[i+ 2], 17,  606105819);
      b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
      a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
      d = md5_ff(d, a, b, c, x[i+ 5], 12,  1200080426);
      c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
      b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
      a = md5_ff(a, b, c, d, x[i+ 8], 7 ,  1770035416);
      d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
      c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
      b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
      a = md5_ff(a, b, c, d, x[i+12], 7 ,  1804603682);
      d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
      c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
      b = md5_ff(b, c, d, a, x[i+15], 22,  1236535329);

      a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
      d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
      c = md5_gg(c, d, a, b, x[i+11], 14,  643717713);
      b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
      a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
      d = md5_gg(d, a, b, c, x[i+10], 9 ,  38016083);
      c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
      b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
      a = md5_gg(a, b, c, d, x[i+ 9], 5 ,  568446438);
      d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
      c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
      b = md5_gg(b, c, d, a, x[i+ 8], 20,  1163531501);
      a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
      d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
      c = md5_gg(c, d, a, b, x[i+ 7], 14,  1735328473);
      b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);

      a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
      d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
      c = md5_hh(c, d, a, b, x[i+11], 16,  1839030562);
      b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
      a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
      d = md5_hh(d, a, b, c, x[i+ 4], 11,  1272893353);
      c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
      b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
      a = md5_hh(a, b, c, d, x[i+13], 4 ,  681279174);
      d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
      c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
      b = md5_hh(b, c, d, a, x[i+ 6], 23,  76029189);
      a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
      d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
      c = md5_hh(c, d, a, b, x[i+15], 16,  530742520);
      b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);

      a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
      d = md5_ii(d, a, b, c, x[i+ 7], 10,  1126891415);
      c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
      b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
      a = md5_ii(a, b, c, d, x[i+12], 6 ,  1700485571);
      d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
      c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
      b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
      a = md5_ii(a, b, c, d, x[i+ 8], 6 ,  1873313359);
      d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
      c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
      b = md5_ii(b, c, d, a, x[i+13], 21,  1309151649);
      a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
      d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
      c = md5_ii(c, d, a, b, x[i+ 2], 15,  718787259);
      b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);

      a = safe_add(a, olda);
      b = safe_add(b, oldb);
      c = safe_add(c, oldc);
      d = safe_add(d, oldd);
   }
   return Array(a, b, c, d);

}

function md5_cmn(q, a, b, x, s, t)
{
   return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
}
function md5_ff(a, b, c, d, x, s, t)
{
   return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
}
function md5_gg(a, b, c, d, x, s, t)
{
   return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
}
function md5_hh(a, b, c, d, x, s, t)
{
   return md5_cmn(b ^ c ^ d, a, b, x, s, t);
}
function md5_ii(a, b, c, d, x, s, t)
{
   return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
}

function core_hmac_md5(key, data)
{
   var bkey = str2binl(key);
   if(bkey.length > 16) bkey = core_md5(bkey, key.length * chrsz);

   var ipad = Array(16), opad = Array(16);
   for(var i = 0; i < 16; i++)
   {
      ipad[i] = bkey[i] ^ 0x36363636;
      opad[i] = bkey[i] ^ 0x5C5C5C5C;
   }

   var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz);
   return core_md5(opad.concat(hash), 512 + 128);
}

function safe_add(x, y)
{
   var lsw = (x & 0xFFFF) + (y & 0xFFFF);
   var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
   return (msw << 16) | (lsw & 0xFFFF);
}

function bit_rol(num, cnt)
{
   return (num << cnt) | (num >>> (32 - cnt));
}

function str2binl(str)
{
   var bin = Array();
   var mask = (1 << chrsz) - 1;
   for(var i = 0; i < str.length * chrsz; i += chrsz)
   bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32);
   return bin;
}

function binl2str(bin)
{
   var str = "";
   var mask = (1 << chrsz) - 1;
   for(var i = 0; i < bin.length * 32; i += chrsz)
   str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask);
   return str;
}

function binl2hex(binarray)
{
   var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
   var str = "";
   for(var i = 0; i < binarray.length * 4; i++)
   {
      str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
      hex_tab.charAt((binarray[i>>2] >> ((i%4)*8  )) & 0xF);
   }
   return str;
}

function binl2b64(binarray)
{
   var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
   var str = "";
   for(var i = 0; i < binarray.length * 4; i += 3)
   {
      var triplet = (((binarray[i   >> 2] >> 8 * ( i   %4)) & 0xFF) << 16)
      | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 )
      |  ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF);
      for(var j = 0; j < 4; j++)
      {
         if(i * 8 + j * 6 > binarray.length * 32) str += b64pad;
         else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);
      }
   }
   return str;
}